./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-cbmc-regression/float-no-simp2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_6d97e522-44dd-4665-8ae9-c24114987a87/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_6d97e522-44dd-4665-8ae9-c24114987a87/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_6d97e522-44dd-4665-8ae9-c24114987a87/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_6d97e522-44dd-4665-8ae9-c24114987a87/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float-no-simp2.i -s /tmp/vcloud-vcloud-master/worker/run_dir_6d97e522-44dd-4665-8ae9-c24114987a87/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_6d97e522-44dd-4665-8ae9-c24114987a87/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6e26e7af47553678bb6b29863e9db124dbc3ba0b ................................................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_6d97e522-44dd-4665-8ae9-c24114987a87/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_6d97e522-44dd-4665-8ae9-c24114987a87/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_6d97e522-44dd-4665-8ae9-c24114987a87/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_6d97e522-44dd-4665-8ae9-c24114987a87/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float-no-simp2.i -s /tmp/vcloud-vcloud-master/worker/run_dir_6d97e522-44dd-4665-8ae9-c24114987a87/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_6d97e522-44dd-4665-8ae9-c24114987a87/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6e26e7af47553678bb6b29863e9db124dbc3ba0b ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-20 06:59:43,190 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 06:59:43,192 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 06:59:43,205 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 06:59:43,206 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 06:59:43,207 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 06:59:43,209 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 06:59:43,217 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 06:59:43,222 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 06:59:43,226 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 06:59:43,227 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 06:59:43,228 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 06:59:43,228 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 06:59:43,230 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 06:59:43,231 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 06:59:43,232 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 06:59:43,233 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 06:59:43,234 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 06:59:43,236 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 06:59:43,239 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 06:59:43,243 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 06:59:43,245 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 06:59:43,248 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 06:59:43,249 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 06:59:43,251 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 06:59:43,251 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 06:59:43,251 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 06:59:43,253 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 06:59:43,253 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 06:59:43,254 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 06:59:43,254 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 06:59:43,255 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 06:59:43,256 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 06:59:43,257 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 06:59:43,258 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 06:59:43,258 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 06:59:43,259 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 06:59:43,259 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 06:59:43,259 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 06:59:43,260 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 06:59:43,261 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 06:59:43,262 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_6d97e522-44dd-4665-8ae9-c24114987a87/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-20 06:59:43,286 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 06:59:43,296 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 06:59:43,297 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 06:59:43,297 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 06:59:43,297 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 06:59:43,298 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 06:59:43,298 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 06:59:43,298 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 06:59:43,298 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 06:59:43,298 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 06:59:43,299 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 06:59:43,299 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 06:59:43,299 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 06:59:43,299 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 06:59:43,299 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 06:59:43,300 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 06:59:43,300 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 06:59:43,300 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 06:59:43,300 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 06:59:43,301 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 06:59:43,301 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-20 06:59:43,301 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 06:59:43,301 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 06:59:43,302 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 06:59:43,302 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 06:59:43,302 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-20 06:59:43,302 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-20 06:59:43,303 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 06:59:43,303 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_6d97e522-44dd-4665-8ae9-c24114987a87/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6e26e7af47553678bb6b29863e9db124dbc3ba0b [2019-11-20 06:59:43,469 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 06:59:43,484 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 06:59:43,488 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 06:59:43,490 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 06:59:43,490 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 06:59:43,492 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_6d97e522-44dd-4665-8ae9-c24114987a87/bin/uautomizer/../../sv-benchmarks/c/floats-cbmc-regression/float-no-simp2.i [2019-11-20 06:59:43,558 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_6d97e522-44dd-4665-8ae9-c24114987a87/bin/uautomizer/data/584ff8faa/a60e7f21ab1c40f2bf038d4b9eaa10ad/FLAG84c845e8f [2019-11-20 06:59:44,068 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 06:59:44,068 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_6d97e522-44dd-4665-8ae9-c24114987a87/sv-benchmarks/c/floats-cbmc-regression/float-no-simp2.i [2019-11-20 06:59:44,083 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_6d97e522-44dd-4665-8ae9-c24114987a87/bin/uautomizer/data/584ff8faa/a60e7f21ab1c40f2bf038d4b9eaa10ad/FLAG84c845e8f [2019-11-20 06:59:44,323 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_6d97e522-44dd-4665-8ae9-c24114987a87/bin/uautomizer/data/584ff8faa/a60e7f21ab1c40f2bf038d4b9eaa10ad [2019-11-20 06:59:44,326 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 06:59:44,327 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 06:59:44,328 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 06:59:44,328 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 06:59:44,331 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 06:59:44,332 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:59:44" (1/1) ... [2019-11-20 06:59:44,334 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@591cea7b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:59:44, skipping insertion in model container [2019-11-20 06:59:44,334 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:59:44" (1/1) ... [2019-11-20 06:59:44,341 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 06:59:44,404 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 06:59:45,023 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: isnan at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:846) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.StandardFunctionHandler.handleUnaryFloatFunction(StandardFunctionHandler.java:1644) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:210) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1262) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:267) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:941) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:276) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2226) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:303) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2226) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:303) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.result.ExpressionResultTransformer.transformDispatchDecaySwitchRexBoolToInt(ExpressionResultTransformer.java:172) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.StandardFunctionHandler.handleVerifierAssume(StandardFunctionHandler.java:1616) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:210) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1262) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:267) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1213) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:220) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:906) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:372) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1284) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:155) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3361) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2176) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:540) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:134) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:187) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:114) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:92) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:125) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-11-20 06:59:45,035 INFO L168 Benchmark]: Toolchain (without parser) took 707.11 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.1 MB). Free memory was 946.1 MB in the beginning and 1.1 GB in the end (delta: -186.7 MB). Peak memory consumption was 23.9 MB. Max. memory is 11.5 GB. [2019-11-20 06:59:45,036 INFO L168 Benchmark]: CDTParser took 0.35 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 06:59:45,037 INFO L168 Benchmark]: CACSL2BoogieTranslator took 704.97 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.1 MB). Free memory was 946.1 MB in the beginning and 1.1 GB in the end (delta: -186.7 MB). Peak memory consumption was 23.9 MB. Max. memory is 11.5 GB. [2019-11-20 06:59:45,039 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 704.97 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.1 MB). Free memory was 946.1 MB in the beginning and 1.1 GB in the end (delta: -186.7 MB). Peak memory consumption was 23.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: isnan de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: isnan: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:846) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-678e011 [2019-11-20 06:59:46,775 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 06:59:46,777 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 06:59:46,786 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 06:59:46,787 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 06:59:46,788 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 06:59:46,789 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 06:59:46,791 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 06:59:46,793 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 06:59:46,794 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 06:59:46,795 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 06:59:46,796 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 06:59:46,796 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 06:59:46,797 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 06:59:46,798 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 06:59:46,799 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 06:59:46,800 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 06:59:46,801 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 06:59:46,803 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 06:59:46,805 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 06:59:46,807 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 06:59:46,809 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 06:59:46,810 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 06:59:46,811 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 06:59:46,814 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 06:59:46,814 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 06:59:46,814 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 06:59:46,815 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 06:59:46,816 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 06:59:46,817 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 06:59:46,817 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 06:59:46,818 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 06:59:46,819 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 06:59:46,819 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 06:59:46,820 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 06:59:46,821 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 06:59:46,821 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 06:59:46,821 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 06:59:46,822 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 06:59:46,823 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 06:59:46,823 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 06:59:46,824 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_6d97e522-44dd-4665-8ae9-c24114987a87/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-20 06:59:46,838 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 06:59:46,838 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 06:59:46,840 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 06:59:46,840 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 06:59:46,840 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 06:59:46,840 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 06:59:46,841 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 06:59:46,841 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 06:59:46,841 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 06:59:46,841 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 06:59:46,842 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 06:59:46,842 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 06:59:46,842 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-20 06:59:46,842 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-20 06:59:46,843 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 06:59:46,843 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 06:59:46,843 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 06:59:46,843 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 06:59:46,844 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 06:59:46,844 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 06:59:46,844 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 06:59:46,844 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-20 06:59:46,845 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 06:59:46,845 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 06:59:46,845 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 06:59:46,846 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 06:59:46,846 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-20 06:59:46,846 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-20 06:59:46,846 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 06:59:46,847 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-20 06:59:46,847 INFO L138 SettingsManager]: * Logic for external solver=AUFBV Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_6d97e522-44dd-4665-8ae9-c24114987a87/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6e26e7af47553678bb6b29863e9db124dbc3ba0b [2019-11-20 06:59:47,112 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 06:59:47,125 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 06:59:47,128 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 06:59:47,129 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 06:59:47,129 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 06:59:47,130 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_6d97e522-44dd-4665-8ae9-c24114987a87/bin/uautomizer/../../sv-benchmarks/c/floats-cbmc-regression/float-no-simp2.i [2019-11-20 06:59:47,181 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_6d97e522-44dd-4665-8ae9-c24114987a87/bin/uautomizer/data/fb354652b/acb2755c34e94c22a585676d1d206d2d/FLAG8761976b6 [2019-11-20 06:59:47,618 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 06:59:47,619 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_6d97e522-44dd-4665-8ae9-c24114987a87/sv-benchmarks/c/floats-cbmc-regression/float-no-simp2.i [2019-11-20 06:59:47,638 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_6d97e522-44dd-4665-8ae9-c24114987a87/bin/uautomizer/data/fb354652b/acb2755c34e94c22a585676d1d206d2d/FLAG8761976b6 [2019-11-20 06:59:47,920 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_6d97e522-44dd-4665-8ae9-c24114987a87/bin/uautomizer/data/fb354652b/acb2755c34e94c22a585676d1d206d2d [2019-11-20 06:59:47,922 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 06:59:47,923 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 06:59:47,923 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 06:59:47,924 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 06:59:47,930 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 06:59:47,931 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:59:47" (1/1) ... [2019-11-20 06:59:47,933 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1edcc1f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:59:47, skipping insertion in model container [2019-11-20 06:59:47,934 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:59:47" (1/1) ... [2019-11-20 06:59:47,940 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 06:59:47,983 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 06:59:48,532 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 06:59:48,537 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 06:59:48,656 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 06:59:48,930 INFO L192 MainTranslator]: Completed translation [2019-11-20 06:59:48,930 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:59:48 WrapperNode [2019-11-20 06:59:48,930 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 06:59:48,931 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 06:59:48,931 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 06:59:48,932 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 06:59:48,941 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:59:48" (1/1) ... [2019-11-20 06:59:48,974 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:59:48" (1/1) ... [2019-11-20 06:59:49,025 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 06:59:49,026 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 06:59:49,026 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 06:59:49,027 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 06:59:49,033 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:59:48" (1/1) ... [2019-11-20 06:59:49,033 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:59:48" (1/1) ... [2019-11-20 06:59:49,036 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:59:48" (1/1) ... [2019-11-20 06:59:49,036 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:59:48" (1/1) ... [2019-11-20 06:59:49,044 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:59:48" (1/1) ... [2019-11-20 06:59:49,046 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:59:48" (1/1) ... [2019-11-20 06:59:49,049 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:59:48" (1/1) ... [2019-11-20 06:59:49,052 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 06:59:49,053 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 06:59:49,053 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 06:59:49,053 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 06:59:49,054 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:59:48" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6d97e522-44dd-4665-8ae9-c24114987a87/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 06:59:49,113 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 06:59:49,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 06:59:50,490 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 06:59:50,490 INFO L285 CfgBuilder]: Removed 4 assume(true) statements. [2019-11-20 06:59:50,491 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:59:50 BoogieIcfgContainer [2019-11-20 06:59:50,492 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 06:59:50,493 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-20 06:59:50,493 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-20 06:59:50,496 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-20 06:59:50,497 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 06:59:47" (1/3) ... [2019-11-20 06:59:50,498 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39802ed2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 06:59:50, skipping insertion in model container [2019-11-20 06:59:50,498 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:59:48" (2/3) ... [2019-11-20 06:59:50,499 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39802ed2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 06:59:50, skipping insertion in model container [2019-11-20 06:59:50,499 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:59:50" (3/3) ... [2019-11-20 06:59:50,501 INFO L109 eAbstractionObserver]: Analyzing ICFG float-no-simp2.i [2019-11-20 06:59:50,511 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-20 06:59:50,519 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 36 error locations. [2019-11-20 06:59:50,532 INFO L249 AbstractCegarLoop]: Starting to check reachability of 36 error locations. [2019-11-20 06:59:50,557 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-20 06:59:50,558 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-20 06:59:50,558 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-20 06:59:50,558 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 06:59:50,558 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 06:59:50,558 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-20 06:59:50,559 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 06:59:50,559 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-20 06:59:50,578 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states. [2019-11-20 06:59:50,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2019-11-20 06:59:50,582 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 06:59:50,583 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1] [2019-11-20 06:59:50,584 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 06:59:50,588 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 06:59:50,589 INFO L82 PathProgramCache]: Analyzing trace with hash 30881, now seen corresponding path program 1 times [2019-11-20 06:59:50,596 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-20 06:59:50,596 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1906662365] [2019-11-20 06:59:50,596 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6d97e522-44dd-4665-8ae9-c24114987a87/bin/uautomizer/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2019-11-20 06:59:50,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:59:50,638 INFO L255 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 1 conjunts are in the unsatisfiable core [2019-11-20 06:59:50,643 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 06:59:50,658 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 06:59:50,658 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-20 06:59:50,660 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 06:59:50,661 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1906662365] [2019-11-20 06:59:50,662 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-20 06:59:50,662 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-11-20 06:59:50,663 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1208510370] [2019-11-20 06:59:50,667 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-20 06:59:50,667 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-20 06:59:50,676 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-20 06:59:50,677 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-20 06:59:50,679 INFO L87 Difference]: Start difference. First operand 112 states. Second operand 2 states. [2019-11-20 06:59:50,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 06:59:50,711 INFO L93 Difference]: Finished difference Result 162 states and 231 transitions. [2019-11-20 06:59:50,711 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-20 06:59:50,713 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 3 [2019-11-20 06:59:50,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 06:59:50,727 INFO L225 Difference]: With dead ends: 162 [2019-11-20 06:59:50,727 INFO L226 Difference]: Without dead ends: 32 [2019-11-20 06:59:50,731 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-20 06:59:50,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2019-11-20 06:59:50,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 32. [2019-11-20 06:59:50,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2019-11-20 06:59:50,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 31 transitions. [2019-11-20 06:59:50,756 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 31 transitions. Word has length 3 [2019-11-20 06:59:50,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 06:59:50,756 INFO L462 AbstractCegarLoop]: Abstraction has 32 states and 31 transitions. [2019-11-20 06:59:50,756 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-20 06:59:50,756 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 31 transitions. [2019-11-20 06:59:50,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-11-20 06:59:50,757 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 06:59:50,757 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2019-11-20 06:59:50,971 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-11-20 06:59:50,972 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 06:59:50,972 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 06:59:50,972 INFO L82 PathProgramCache]: Analyzing trace with hash 961385, now seen corresponding path program 1 times [2019-11-20 06:59:50,972 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-20 06:59:50,973 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1402620026] [2019-11-20 06:59:50,973 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6d97e522-44dd-4665-8ae9-c24114987a87/bin/uautomizer/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2019-11-20 06:59:52,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:59:52,510 INFO L255 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-20 06:59:52,511 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 06:59:52,563 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 06:59:52,563 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-20 06:59:52,590 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 06:59:52,591 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1402620026] [2019-11-20 06:59:52,591 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-20 06:59:52,591 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2019-11-20 06:59:52,591 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1920610516] [2019-11-20 06:59:52,593 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-20 06:59:52,593 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-20 06:59:52,593 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-20 06:59:52,593 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-20 06:59:52,594 INFO L87 Difference]: Start difference. First operand 32 states and 31 transitions. Second operand 4 states. [2019-11-20 06:59:56,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 06:59:56,470 INFO L93 Difference]: Finished difference Result 32 states and 31 transitions. [2019-11-20 06:59:56,489 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 06:59:56,489 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 4 [2019-11-20 06:59:56,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 06:59:56,490 INFO L225 Difference]: With dead ends: 32 [2019-11-20 06:59:56,490 INFO L226 Difference]: Without dead ends: 22 [2019-11-20 06:59:56,491 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-20 06:59:56,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2019-11-20 06:59:56,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2019-11-20 06:59:56,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2019-11-20 06:59:56,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 21 transitions. [2019-11-20 06:59:56,494 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 21 transitions. Word has length 4 [2019-11-20 06:59:56,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 06:59:56,494 INFO L462 AbstractCegarLoop]: Abstraction has 22 states and 21 transitions. [2019-11-20 06:59:56,494 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-20 06:59:56,495 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 21 transitions. [2019-11-20 06:59:56,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-11-20 06:59:56,496 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 06:59:56,496 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 06:59:56,697 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-11-20 06:59:56,701 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 06:59:56,701 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 06:59:56,702 INFO L82 PathProgramCache]: Analyzing trace with hash -1081271831, now seen corresponding path program 1 times [2019-11-20 06:59:56,702 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-20 06:59:56,702 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1027522805] [2019-11-20 06:59:56,703 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6d97e522-44dd-4665-8ae9-c24114987a87/bin/uautomizer/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2019-11-20 07:00:06,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:00:06,559 INFO L255 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-20 07:00:06,560 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 07:00:12,696 WARN L838 $PredicateComparison]: unable to prove that (exists ((ULTIMATE.start_main_~f~0 (_ FloatingPoint 11 53))) (and (let ((.cse0 ((_ to_fp 11 53) roundNearestTiesToEven (_ bv0 32)))) (fp.eq (fp.mul roundNearestTiesToEven .cse0 ULTIMATE.start_main_~f~0) .cse0)) (not (fp.eq (fp.div roundNearestTiesToEven ULTIMATE.start_main_~f~0 ((_ to_fp 11 53) roundNearestTiesToEven 1.0)) ULTIMATE.start_main_~f~0)))) is different from false [2019-11-20 07:00:14,715 WARN L860 $PredicateComparison]: unable to prove that (exists ((ULTIMATE.start_main_~f~0 (_ FloatingPoint 11 53))) (and (let ((.cse0 ((_ to_fp 11 53) roundNearestTiesToEven (_ bv0 32)))) (fp.eq (fp.mul roundNearestTiesToEven .cse0 ULTIMATE.start_main_~f~0) .cse0)) (not (fp.eq (fp.div roundNearestTiesToEven ULTIMATE.start_main_~f~0 ((_ to_fp 11 53) roundNearestTiesToEven 1.0)) ULTIMATE.start_main_~f~0)))) is different from true [2019-11-20 07:00:14,720 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 07:00:14,720 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-20 07:00:20,720 WARN L191 SmtUtils]: Spent 872.00 ms on a formula simplification that was a NOOP. DAG size: 6 [2019-11-20 07:00:23,052 WARN L860 $PredicateComparison]: unable to prove that (or (fp.eq (fp.div roundNearestTiesToEven c_ULTIMATE.start_main_~f~0 ((_ to_fp 11 53) roundNearestTiesToEven 1.0)) c_ULTIMATE.start_main_~f~0) (not (let ((.cse0 ((_ to_fp 11 53) roundNearestTiesToEven (_ bv0 32)))) (fp.eq (fp.mul roundNearestTiesToEven .cse0 c_ULTIMATE.start_main_~f~0) .cse0)))) is different from true [2019-11-20 07:00:29,135 WARN L838 $PredicateComparison]: unable to prove that (forall ((ULTIMATE.start_main_~f~0 (_ FloatingPoint 11 53))) (let ((.cse0 ((_ to_fp 11 53) roundNearestTiesToEven (_ bv0 32)))) (or (fp.eq (fp.div roundNearestTiesToEven ULTIMATE.start_main_~f~0 ((_ to_fp 11 53) roundNearestTiesToEven 1.0)) ULTIMATE.start_main_~f~0) (not (fp.eq (fp.add roundNearestTiesToEven .cse0 ULTIMATE.start_main_~f~0) ULTIMATE.start_main_~f~0)) (not (fp.eq (fp.mul roundNearestTiesToEven .cse0 ULTIMATE.start_main_~f~0) .cse0))))) is different from false [2019-11-20 07:00:31,159 WARN L860 $PredicateComparison]: unable to prove that (forall ((ULTIMATE.start_main_~f~0 (_ FloatingPoint 11 53))) (let ((.cse0 ((_ to_fp 11 53) roundNearestTiesToEven (_ bv0 32)))) (or (fp.eq (fp.div roundNearestTiesToEven ULTIMATE.start_main_~f~0 ((_ to_fp 11 53) roundNearestTiesToEven 1.0)) ULTIMATE.start_main_~f~0) (not (fp.eq (fp.add roundNearestTiesToEven .cse0 ULTIMATE.start_main_~f~0) ULTIMATE.start_main_~f~0)) (not (fp.eq (fp.mul roundNearestTiesToEven .cse0 ULTIMATE.start_main_~f~0) .cse0))))) is different from true [2019-11-20 07:00:35,254 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 07:00:35,254 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1027522805] [2019-11-20 07:00:35,255 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-20 07:00:35,255 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 8 [2019-11-20 07:00:35,255 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1762527507] [2019-11-20 07:00:35,256 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-20 07:00:35,256 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-20 07:00:35,256 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-20 07:00:35,257 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=10, Unknown=7, NotChecked=24, Total=56 [2019-11-20 07:00:35,257 INFO L87 Difference]: Start difference. First operand 22 states and 21 transitions. Second operand 8 states. [2019-11-20 07:00:39,339 WARN L838 $PredicateComparison]: unable to prove that (and (let ((.cse0 ((_ to_fp 11 53) roundNearestTiesToEven (_ bv0 32)))) (fp.eq (fp.mul roundNearestTiesToEven .cse0 c_ULTIMATE.start_main_~f~0) .cse0)) (forall ((ULTIMATE.start_main_~f~0 (_ FloatingPoint 11 53))) (let ((.cse1 ((_ to_fp 11 53) roundNearestTiesToEven (_ bv0 32)))) (or (fp.eq (fp.div roundNearestTiesToEven ULTIMATE.start_main_~f~0 ((_ to_fp 11 53) roundNearestTiesToEven 1.0)) ULTIMATE.start_main_~f~0) (not (fp.eq (fp.add roundNearestTiesToEven .cse1 ULTIMATE.start_main_~f~0) ULTIMATE.start_main_~f~0)) (not (fp.eq (fp.mul roundNearestTiesToEven .cse1 ULTIMATE.start_main_~f~0) .cse1)))))) is different from false [2019-11-20 07:00:56,245 WARN L191 SmtUtils]: Spent 3.09 s on a formula simplification that was a NOOP. DAG size: 11 [2019-11-20 07:00:57,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 07:00:57,319 INFO L93 Difference]: Finished difference Result 22 states and 21 transitions. [2019-11-20 07:00:57,350 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-20 07:00:57,350 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 21 [2019-11-20 07:00:57,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 07:00:57,351 INFO L225 Difference]: With dead ends: 22 [2019-11-20 07:00:57,351 INFO L226 Difference]: Without dead ends: 0 [2019-11-20 07:00:57,351 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 34 SyntacticMatches, 2 SemanticMatches, 8 ConstructedPredicates, 4 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 33.5s TimeCoverageRelationStatistics Valid=22, Invalid=16, Unknown=8, NotChecked=44, Total=90 [2019-11-20 07:00:57,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-20 07:00:57,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-20 07:00:57,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-20 07:00:57,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-20 07:00:57,352 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 21 [2019-11-20 07:00:57,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 07:00:57,353 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 07:00:57,353 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-20 07:00:57,353 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-20 07:00:57,353 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-20 07:00:57,554 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-11-20 07:00:57,557 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-20 07:00:57,560 INFO L444 ceAbstractionStarter]: For program point L993(line 993) no Hoare annotation was computed. [2019-11-20 07:00:57,560 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION(line 1009) no Hoare annotation was computed. [2019-11-20 07:00:57,560 INFO L444 ceAbstractionStarter]: For program point L993-2(lines 953 1017) no Hoare annotation was computed. [2019-11-20 07:00:57,560 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 963) no Hoare annotation was computed. [2019-11-20 07:00:57,560 INFO L444 ceAbstractionStarter]: For program point L1010(line 1010) no Hoare annotation was computed. [2019-11-20 07:00:57,561 INFO L444 ceAbstractionStarter]: For program point L977(line 977) no Hoare annotation was computed. [2019-11-20 07:00:57,561 INFO L444 ceAbstractionStarter]: For program point L1010-2(lines 953 1017) no Hoare annotation was computed. [2019-11-20 07:00:57,561 INFO L444 ceAbstractionStarter]: For program point L977-2(lines 953 1017) no Hoare annotation was computed. [2019-11-20 07:00:57,562 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION(line 985) no Hoare annotation was computed. [2019-11-20 07:00:57,562 INFO L444 ceAbstractionStarter]: For program point L994(line 994) no Hoare annotation was computed. [2019-11-20 07:00:57,562 INFO L444 ceAbstractionStarter]: For program point L994-2(lines 953 1017) no Hoare annotation was computed. [2019-11-20 07:00:57,562 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-20 07:00:57,562 INFO L444 ceAbstractionStarter]: For program point L1011(line 1011) no Hoare annotation was computed. [2019-11-20 07:00:57,562 INFO L444 ceAbstractionStarter]: For program point L978(line 978) no Hoare annotation was computed. [2019-11-20 07:00:57,562 INFO L444 ceAbstractionStarter]: For program point L1011-2(lines 953 1017) no Hoare annotation was computed. [2019-11-20 07:00:57,562 INFO L444 ceAbstractionStarter]: For program point L978-2(lines 953 1017) no Hoare annotation was computed. [2019-11-20 07:00:57,562 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION(line 1002) no Hoare annotation was computed. [2019-11-20 07:00:57,562 INFO L444 ceAbstractionStarter]: For program point L995(line 995) no Hoare annotation was computed. [2019-11-20 07:00:57,563 INFO L444 ceAbstractionStarter]: For program point L962(line 962) no Hoare annotation was computed. [2019-11-20 07:00:57,563 INFO L444 ceAbstractionStarter]: For program point L962-1(line 962) no Hoare annotation was computed. [2019-11-20 07:00:57,563 INFO L444 ceAbstractionStarter]: For program point L995-2(lines 953 1017) no Hoare annotation was computed. [2019-11-20 07:00:57,563 INFO L444 ceAbstractionStarter]: For program point L962-3(lines 953 1017) no Hoare annotation was computed. [2019-11-20 07:00:57,563 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION(line 984) no Hoare annotation was computed. [2019-11-20 07:00:57,563 INFO L444 ceAbstractionStarter]: For program point L1012(line 1012) no Hoare annotation was computed. [2019-11-20 07:00:57,563 INFO L444 ceAbstractionStarter]: For program point L1012-2(lines 953 1017) no Hoare annotation was computed. [2019-11-20 07:00:57,563 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION(line 1001) no Hoare annotation was computed. [2019-11-20 07:00:57,563 INFO L444 ceAbstractionStarter]: For program point L963(line 963) no Hoare annotation was computed. [2019-11-20 07:00:57,563 INFO L444 ceAbstractionStarter]: For program point L963-2(lines 953 1017) no Hoare annotation was computed. [2019-11-20 07:00:57,564 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION(line 977) no Hoare annotation was computed. [2019-11-20 07:00:57,564 INFO L444 ceAbstractionStarter]: For program point L1013(line 1013) no Hoare annotation was computed. [2019-11-20 07:00:57,564 INFO L444 ceAbstractionStarter]: For program point L1013-2(lines 953 1017) no Hoare annotation was computed. [2019-11-20 07:00:57,564 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION(line 994) no Hoare annotation was computed. [2019-11-20 07:00:57,564 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION(line 1014) no Hoare annotation was computed. [2019-11-20 07:00:57,564 INFO L444 ceAbstractionStarter]: For program point L1014(line 1014) no Hoare annotation was computed. [2019-11-20 07:00:57,564 INFO L444 ceAbstractionStarter]: For program point L981(line 981) no Hoare annotation was computed. [2019-11-20 07:00:57,564 INFO L444 ceAbstractionStarter]: For program point L1014-2(lines 953 1017) no Hoare annotation was computed. [2019-11-20 07:00:57,564 INFO L444 ceAbstractionStarter]: For program point L981-2(lines 953 1017) no Hoare annotation was computed. [2019-11-20 07:00:57,564 INFO L444 ceAbstractionStarter]: For program point L998(line 998) no Hoare annotation was computed. [2019-11-20 07:00:57,565 INFO L444 ceAbstractionStarter]: For program point L965(line 965) no Hoare annotation was computed. [2019-11-20 07:00:57,565 INFO L444 ceAbstractionStarter]: For program point L998-2(lines 953 1017) no Hoare annotation was computed. [2019-11-20 07:00:57,565 INFO L444 ceAbstractionStarter]: For program point L965-2(lines 953 1017) no Hoare annotation was computed. [2019-11-20 07:00:57,565 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION(line 1003) no Hoare annotation was computed. [2019-11-20 07:00:57,565 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION(line 981) no Hoare annotation was computed. [2019-11-20 07:00:57,565 INFO L444 ceAbstractionStarter]: For program point L1015(line 1015) no Hoare annotation was computed. [2019-11-20 07:00:57,565 INFO L444 ceAbstractionStarter]: For program point L982(line 982) no Hoare annotation was computed. [2019-11-20 07:00:57,566 INFO L444 ceAbstractionStarter]: For program point L1015-2(lines 953 1017) no Hoare annotation was computed. [2019-11-20 07:00:57,566 INFO L444 ceAbstractionStarter]: For program point L982-2(lines 953 1017) no Hoare annotation was computed. [2019-11-20 07:00:57,566 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION(line 998) no Hoare annotation was computed. [2019-11-20 07:00:57,566 INFO L444 ceAbstractionStarter]: For program point L999(line 999) no Hoare annotation was computed. [2019-11-20 07:00:57,566 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION(line 1016) no Hoare annotation was computed. [2019-11-20 07:00:57,566 INFO L444 ceAbstractionStarter]: For program point L999-2(lines 953 1017) no Hoare annotation was computed. [2019-11-20 07:00:57,566 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-20 07:00:57,566 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION(line 978) no Hoare annotation was computed. [2019-11-20 07:00:57,566 INFO L444 ceAbstractionStarter]: For program point L1016(line 1016) no Hoare annotation was computed. [2019-11-20 07:00:57,567 INFO L444 ceAbstractionStarter]: For program point L983(line 983) no Hoare annotation was computed. [2019-11-20 07:00:57,567 INFO L444 ceAbstractionStarter]: For program point L983-2(lines 953 1017) no Hoare annotation was computed. [2019-11-20 07:00:57,567 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION(line 995) no Hoare annotation was computed. [2019-11-20 07:00:57,567 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION(line 1015) no Hoare annotation was computed. [2019-11-20 07:00:57,567 INFO L444 ceAbstractionStarter]: For program point L1000(line 1000) no Hoare annotation was computed. [2019-11-20 07:00:57,567 INFO L444 ceAbstractionStarter]: For program point L1000-2(lines 953 1017) no Hoare annotation was computed. [2019-11-20 07:00:57,567 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION(line 1010) no Hoare annotation was computed. [2019-11-20 07:00:57,567 INFO L444 ceAbstractionStarter]: For program point L984(line 984) no Hoare annotation was computed. [2019-11-20 07:00:57,567 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 965) no Hoare annotation was computed. [2019-11-20 07:00:57,567 INFO L444 ceAbstractionStarter]: For program point L984-2(lines 953 1017) no Hoare annotation was computed. [2019-11-20 07:00:57,568 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION(line 990) no Hoare annotation was computed. [2019-11-20 07:00:57,568 INFO L444 ceAbstractionStarter]: For program point L1001(line 1001) no Hoare annotation was computed. [2019-11-20 07:00:57,568 INFO L444 ceAbstractionStarter]: For program point L1001-2(lines 953 1017) no Hoare annotation was computed. [2019-11-20 07:00:57,568 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION(line 982) no Hoare annotation was computed. [2019-11-20 07:00:57,568 INFO L444 ceAbstractionStarter]: For program point L985(line 985) no Hoare annotation was computed. [2019-11-20 07:00:57,568 INFO L444 ceAbstractionStarter]: For program point L952(lines 952 1017) no Hoare annotation was computed. [2019-11-20 07:00:57,568 INFO L444 ceAbstractionStarter]: For program point L985-2(lines 953 1017) no Hoare annotation was computed. [2019-11-20 07:00:57,568 INFO L444 ceAbstractionStarter]: For program point L1002(line 1002) no Hoare annotation was computed. [2019-11-20 07:00:57,568 INFO L444 ceAbstractionStarter]: For program point L969(line 969) no Hoare annotation was computed. [2019-11-20 07:00:57,569 INFO L444 ceAbstractionStarter]: For program point L1002-2(lines 953 1017) no Hoare annotation was computed. [2019-11-20 07:00:57,569 INFO L444 ceAbstractionStarter]: For program point L969-2(lines 953 1017) no Hoare annotation was computed. [2019-11-20 07:00:57,569 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION(line 999) no Hoare annotation was computed. [2019-11-20 07:00:57,569 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION(line 972) no Hoare annotation was computed. [2019-11-20 07:00:57,569 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-20 07:00:57,569 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION(line 992) no Hoare annotation was computed. [2019-11-20 07:00:57,570 INFO L444 ceAbstractionStarter]: For program point L1003(line 1003) no Hoare annotation was computed. [2019-11-20 07:00:57,570 INFO L444 ceAbstractionStarter]: For program point L1003-2(lines 953 1017) no Hoare annotation was computed. [2019-11-20 07:00:57,570 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION(line 1012) no Hoare annotation was computed. [2019-11-20 07:00:57,570 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION(line 1011) no Hoare annotation was computed. [2019-11-20 07:00:57,570 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION(line 969) no Hoare annotation was computed. [2019-11-20 07:00:57,571 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION(line 991) no Hoare annotation was computed. [2019-11-20 07:00:57,571 INFO L444 ceAbstractionStarter]: For program point L1004(line 1004) no Hoare annotation was computed. [2019-11-20 07:00:57,571 INFO L444 ceAbstractionStarter]: For program point L1004-2(lines 953 1017) no Hoare annotation was computed. [2019-11-20 07:00:57,571 INFO L444 ceAbstractionStarter]: For program point L1005(line 1005) no Hoare annotation was computed. [2019-11-20 07:00:57,571 INFO L444 ceAbstractionStarter]: For program point L972(line 972) no Hoare annotation was computed. [2019-11-20 07:00:57,571 INFO L444 ceAbstractionStarter]: For program point L1005-2(lines 953 1017) no Hoare annotation was computed. [2019-11-20 07:00:57,572 INFO L444 ceAbstractionStarter]: For program point L972-2(lines 953 1017) no Hoare annotation was computed. [2019-11-20 07:00:57,572 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION(line 1004) no Hoare annotation was computed. [2019-11-20 07:00:57,572 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION(line 976) no Hoare annotation was computed. [2019-11-20 07:00:57,572 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION(line 993) no Hoare annotation was computed. [2019-11-20 07:00:57,572 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION(line 1013) no Hoare annotation was computed. [2019-11-20 07:00:57,572 INFO L444 ceAbstractionStarter]: For program point L990(line 990) no Hoare annotation was computed. [2019-11-20 07:00:57,573 INFO L444 ceAbstractionStarter]: For program point L990-2(lines 953 1017) no Hoare annotation was computed. [2019-11-20 07:00:57,573 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 962) no Hoare annotation was computed. [2019-11-20 07:00:57,573 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION(line 1008) no Hoare annotation was computed. [2019-11-20 07:00:57,573 INFO L444 ceAbstractionStarter]: For program point L991(line 991) no Hoare annotation was computed. [2019-11-20 07:00:57,573 INFO L444 ceAbstractionStarter]: For program point L991-2(lines 953 1017) no Hoare annotation was computed. [2019-11-20 07:00:57,574 INFO L444 ceAbstractionStarter]: For program point L1008(line 1008) no Hoare annotation was computed. [2019-11-20 07:00:57,574 INFO L444 ceAbstractionStarter]: For program point L1008-2(lines 953 1017) no Hoare annotation was computed. [2019-11-20 07:00:57,574 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION(line 1005) no Hoare annotation was computed. [2019-11-20 07:00:57,574 INFO L444 ceAbstractionStarter]: For program point L992(line 992) no Hoare annotation was computed. [2019-11-20 07:00:57,574 INFO L444 ceAbstractionStarter]: For program point L992-2(lines 953 1017) no Hoare annotation was computed. [2019-11-20 07:00:57,574 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION(line 983) no Hoare annotation was computed. [2019-11-20 07:00:57,575 INFO L444 ceAbstractionStarter]: For program point L1009(line 1009) no Hoare annotation was computed. [2019-11-20 07:00:57,575 INFO L444 ceAbstractionStarter]: For program point L976(line 976) no Hoare annotation was computed. [2019-11-20 07:00:57,575 INFO L444 ceAbstractionStarter]: For program point L1009-2(lines 953 1017) no Hoare annotation was computed. [2019-11-20 07:00:57,575 INFO L444 ceAbstractionStarter]: For program point L976-2(lines 953 1017) no Hoare annotation was computed. [2019-11-20 07:00:57,575 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION(line 1000) no Hoare annotation was computed. [2019-11-20 07:00:57,579 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 07:00:57 BoogieIcfgContainer [2019-11-20 07:00:57,579 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-20 07:00:57,580 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 07:00:57,580 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 07:00:57,580 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 07:00:57,581 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:59:50" (3/4) ... [2019-11-20 07:00:57,584 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-20 07:00:57,596 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2019-11-20 07:00:57,596 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-20 07:00:57,657 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_6d97e522-44dd-4665-8ae9-c24114987a87/bin/uautomizer/witness.graphml [2019-11-20 07:00:57,657 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 07:00:57,659 INFO L168 Benchmark]: Toolchain (without parser) took 69735.75 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 159.4 MB). Free memory was 956.4 MB in the beginning and 937.2 MB in the end (delta: 19.2 MB). Peak memory consumption was 178.6 MB. Max. memory is 11.5 GB. [2019-11-20 07:00:57,659 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 1.0 GB. Free memory is still 987.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 07:00:57,659 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1007.36 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 159.4 MB). Free memory was 956.4 MB in the beginning and 1.1 GB in the end (delta: -94.2 MB). Peak memory consumption was 76.2 MB. Max. memory is 11.5 GB. [2019-11-20 07:00:57,660 INFO L168 Benchmark]: Boogie Procedure Inliner took 94.83 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. [2019-11-20 07:00:57,660 INFO L168 Benchmark]: Boogie Preprocessor took 26.43 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 07:00:57,661 INFO L168 Benchmark]: RCFGBuilder took 1438.82 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 24.8 MB). Peak memory consumption was 24.8 MB. Max. memory is 11.5 GB. [2019-11-20 07:00:57,661 INFO L168 Benchmark]: TraceAbstraction took 67086.34 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 943.7 MB in the end (delta: 75.6 MB). Peak memory consumption was 75.6 MB. Max. memory is 11.5 GB. [2019-11-20 07:00:57,661 INFO L168 Benchmark]: Witness Printer took 77.80 ms. Allocated memory is still 1.2 GB. Free memory was 943.7 MB in the beginning and 937.2 MB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. [2019-11-20 07:00:57,663 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 1.0 GB. Free memory is still 987.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 1007.36 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 159.4 MB). Free memory was 956.4 MB in the beginning and 1.1 GB in the end (delta: -94.2 MB). Peak memory consumption was 76.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 94.83 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 26.43 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1438.82 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 24.8 MB). Peak memory consumption was 24.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 67086.34 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 943.7 MB in the end (delta: 75.6 MB). Peak memory consumption was 75.6 MB. Max. memory is 11.5 GB. * Witness Printer took 77.80 ms. Allocated memory is still 1.2 GB. Free memory was 943.7 MB in the beginning and 937.2 MB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 963]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 981]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 1003]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 992]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 994]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 969]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 1001]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 999]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 1015]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 998]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 1005]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 976]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 1013]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 1009]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 990]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 984]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 982]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 1011]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 1002]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 978]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 993]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 1000]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 995]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 962]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 965]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 985]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 1008]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 1014]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 972]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 977]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 1004]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 1016]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 983]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 991]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 1010]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 1012]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 36 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 112 locations, 36 error locations. Result: SAFE, OverallTime: 67.0s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 26.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 79 SDtfs, 50 SDslu, 7 SDs, 0 SdLazy, 10 SolverSat, 5 SolverUnsat, 2 SolverUnknown, 0 SolverNotchecked, 8.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 54 GetRequests, 42 SyntacticMatches, 2 SemanticMatches, 10 ConstructedPredicates, 4 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 33.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=112occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 0 LocationsWithAnnotation, 0 PreInvPairs, 0 NumberOfFragments, 0 HoareAnnotationTreeSize, 0 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 0 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 11.2s SatisfiabilityAnalysisTime, 28.9s InterpolantComputationTime, 28 NumberOfCodeBlocks, 28 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 50 ConstructedInterpolants, 3 QuantifiedInterpolants, 9504 SizeOfPredicates, 4 NumberOfNonLiveVariables, 43 ConjunctsInSsa, 7 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...